*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
.bottom{
  width:100vw;
  height:8vh;
  position:fixed;
  bottom:0;
  left:0;
  background:red;
  display:flex;
  justify-content: space-around;
  align-items: center;
}
a{
  display:inline-block;
  text-decoration: none;
  
  color:white;
} 
.active{
  text-decoration: none;
  color:greenyellow; 
}